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Java 7 Update 21 Security Improvements in Detail

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Oracle released three updates to Java yesterday. It is important to note that they contain several security related changes. The majority of those changes have been announced since a while and first thing to notice is, that Oracle ships as planned. Oracle’s Java Platform Security ManagerMilton Smith recently gave a talk at DevoxxUK titled “Securing the Future with Java” where ...

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Drools decision tables with Camel and Spring

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As I’ve shown it in my previous post JBoss Drools are a very useful rules engine. The only problem is that creating the rules in the Rule language might be pretty complicated for a non-technical person. That’s why one can provide an easy way for creating business rules – decision tables created in a spreadsheet! In the following example I ...

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Let us write a document style Web Service

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You might be aware that there are mainly four different styles of web services we can make use of. They are as follows: Document/Literal Document/Literal Wrapped RPC/Encoded RPC/Literal Of course the RPC/Encoded style is now deprecated. If you are interested you can read up on the different styles of web services and their pros on cons on this very comprehensive ...

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Agile Product Planning: Vision, Strategy, and Tactics

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Product planning is just as important in an agile context as it is in a traditional setting. Unfortunately, some product owners focus so much on the product details and the tactical level that other planning aspects are neglected. But writing the right user stories and creating the right user interface design is difficult, if we haven’t thought about the product ...

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JDK 8 Javadoc Tweaked For Methods Listings

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Since it’s beginning, Javadoc output has been largely static HTML with navigation links and simple stylesheet styling of its appearance. Java SE 7 saw the first significant change in Javadoc output default appearance in a long time and now it looks like JDK 8 will introduce a new twist on generated Javadoc output. In this post, I look briefly at ...

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Arrays.sort versus Arrays.parallelSort

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We all have used Arrays.sort to sort objects and primitive arrays. This API used merge sort OR Tim Sort underneath to sort the contents as shown below:                   public static void sort(Object[] a) { if (LegacyMergeSort.userRequested) legacyMergeSort(a); else ComparableTimSort.sort(a); } This is all done sequentially, even though merge sort uses divide and ...

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Groovy & Grails Understanding – Part 1

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Introduction Enterprises today require agile platform for rapid development of applications with ready assurance to quality of services, compliance to architecture and design standards. Two key things influence our ability to be agile. First, it’s the attitude of everyone involved. Second it’s the languages, framework, and tools we use to get our work done. There are languages and frameworks such ...

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Null and Java interop

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The way Ceylon handles null is one of the big attractions of the language. Ceylon features a typed null value. The object null is just an instance of the perfectly ordinary class Null from the point of view of the type system. But when the compiler backend transforms Ceylon code to Java bytecode or JavaScript, the class Null is eliminated ...

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About modules

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Modules, ah, modules. The albatross of Java. I frequently joke that modules are scheduled for Java N+1 where N moves forward with each release. I remember perfectly the first time I heard of Java getting modules at Devoxx, back when they were still planned for Java 7. I remember I heard the announcement and what I saw made a lot ...

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Spring MVC – Easy REST-Based JSON Services with @ResponseBody

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Spring 3 makes JSON REST services really easy. This tutorial will show you how in just a few steps. You can grab the code on GitHub. Prerequisites You should have a working Spring MVC Application. If you do not already have a working Spring MVC application set up, follow this tutorial. We will define three REST services: 1) to retrieve a random ...

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